document.write( "Question 921839: Two small planes start from the same point and fly in opposite directions. The first plane is flying 70 mph slower than the second plane. In 3 h, the planes are 870 mi apart. Find the rate of each plane.\r
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document.write( "slower plane:
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document.write( "faster plane: \n" );
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Algebra.Com's Answer #805652 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! speed of fast plane = x mph \n" ); document.write( "speed of slow plane = (x-70) mph\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "distance between planes after h hours: (2x-70)h miles\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "h = 3 ----> 3(2x - 70) = 870 \n" ); document.write( "2x - 70 = 290 \n" ); document.write( "2x = 360 \n" ); document.write( "x = 180\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "slower plane = 110 mph \n" ); document.write( "faster plane = 180 mph \n" ); document.write( " |